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Lock (water navigation)

A lock is a device used for raising and lowering boats, ships and other watercraft between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a chamber in a permanently fixed position in which the water level can be varied. In a caisson lock, a boat lift, or on a canal inclined plane, it is the…

History, Terminology & Historic lock designs

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History

Historic lock designs

Types of lock

Terminology

Largest locks

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Lock (water navigation)

Nodes147
Edges146
Triples17
Avg. degree1.99
Density0.013605
Components1

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Important terminology

lock canal locks gates water chamber boat pound staircase used boats one canals two flight river level gate also would

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Grindley Brookinstance ofPartly for this reason staircase locks0.80text
Foxtoninstance ofPartly for this reason staircase locks0.80text
Watfordinstance ofPartly for this reason staircase locks0.80text
Bratch are supervised by lockkeepersinstance ofPartly for this reason staircase locks0.80text
at least during the main cruising seasoninstance ofPartly for this reason staircase locks0.80text
in which keepers try to alternate as many boats upinstance ofPartly for this reason staircase locks0.80text
followed by down as there are chambers in the flight.As with a flightinstance ofPartly for this reason staircase locks0.80text
it is possible on a broad canal for more than one boat to be in a staircase at the same timeinstance ofPartly for this reason staircase locks0.80text
but managing this without waste of water requires expertiseinstance ofPartly for this reason staircase locks0.80text
lampreysinstance ofSome fish0.80text
troutinstance ofSome fish0.80text
salmon go upstream to spawninstance ofSome fish0.80text

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